logwood|logwoods in English
noun
leguminous tree from which a crystalline substance is obtained to be used in the production of various dyes and stains
Use "logwood|logwoods" in a sentence
1. In 1726 Daniel Defoe described a tradesman involved in the "buying of cochineal, indigo, galls, shumach, logwood, fustick, madder, and the like" as both dry-salter and salter.
2. The Salters' Livery Company tells us that "some of the members who were salt traders were also 'Drysalters' and dealt in flax, hemp, logwood, cochineal, potashes and chemical preparations."
3. Copper dissolved in the vitriolic acid forms crystals of a blot colour, called blue Copperas. Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry Joseph Priestley Boil the logwood for 30 minutes in a gallon of water, and then add the Copperas and lampblack.